12. Respiratory viruses and eosinophilic airway inflammation 204 Jaideep Dhariwal, Yorissa Padayachee and Sebastian L. Johnston 13. Eosinophils as potential mediators of autoimmunity 219 Manali Mukherjee and Parameswaran Nair 14. Safety of eosinophil depletion 238 David J. Jackson and Ariel Munitz 15. Future prospects of translational and clinical eosinophil research 253 Bart N. Lambrecht, Helena Aegerter, Sjoerd Schetters, Florence Roufosse and Hamida Hammad